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4. Seismology

Page 3 of 5

  1. Content type: Letter

    By applying conventional cross-track InSAR and multiple-aperture InSAR (MAI) techniques with ALOS-2 SAR data to foreshocks of the 2016 Kumamoto earthquake, ground displacement fields in range (line-of-sight) a...

    Authors: Tomokazu Kobayashi

    Citation: Earth, Planets and Space 2017 69:7

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  2. Content type: Letter

    The M JMA 7.3 Kumamoto earthquake that occurred at 1:25 JST on April 16, 2016, not only triggered aftershocks in the vicinity of the epicenter, but also triggered earthquakes that were 50...

    Authors: Koki Aizawa, Hisafumi Asaue, Katsuaki Koike, Shinichi Takakura, Mitsuru Utsugi, Hiroyuki Inoue, Ryokei Yoshimura, Ken’ichi Yamazaki, Shintaro Komatsu, Makoto Uyeshima, Takao Koyama, Wataru Kanda, Taro Shiotani, Nobuo Matsushima, Maki Hata, Tohru Yoshinaga…

    Citation: Earth, Planets and Space 2017 69:4

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  3. Content type: Letter

    To understand the cause of heavy structural damage during the mainshock (on April 16, 2016) of the 2016 Kumamoto earthquake sequence, we carried out a field survey from April 29 through May 1, 2016, in Mashiki...

    Authors: Hiroshi Kawase, Shinichi Matsushima, Fumiaki Nagashima, Baoyintu and Kenichi Nakano

    Citation: Earth, Planets and Space 2017 69:3

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  4. Content type: Full paper

    A two-stage scaling relationship of the source parameters for crustal earthquakes in Japan has previously been constructed, in which source parameters obtained from the results of waveform inversion of strong ...

    Authors: Kojiro Irikura, Ken Miyakoshi, Katsuhiro Kamae, Kunikazu Yoshida, Kazuhiro Somei, Susumu Kurahashi and Hiroe Miyake

    Citation: Earth, Planets and Space 2017 69:10

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  5. Content type: Full paper

    The past devastating earthquakes in densely populated urban centers, such as the 1994 Northridge; 1995 Kobe; 1999 series of Kocaeli, Düzce, and Athens; and 2011 Van-Erciş events, showed that substantial socia...

    Authors: A. Can Zülfikar, N. Özge Zülfikar Fercan, Süleyman Tunç and Mustafa Erdik

    Citation: Earth, Planets and Space 2017 69:9

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  6. Content type: Letter

    We resolve the density structure of a possible magma reservoir beneath Aso, an active volcano on Kyushu Island, Japan, by inverting gravity data. In the context of the resolved structure, we discuss the relati...

    Authors: Ayumu Miyakawa, Tatsuya Sumita, Yasukuni Okubo, Ryo Okuwaki, Makoto Otsubo, Shimpei Uesawa and Yuji Yagi

    Citation: Earth, Planets and Space 2016 68:208

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  7. Content type: Letter

    High-amplitude seismic waves from the Mw 7.0 Kumamoto earthquake of April 16, 2016, triggered another large earthquake 80 km to the NE roughly 30 s later. The source was located at shallow depths beneath the Y...

    Authors: Masatoshi Miyazawa

    Citation: Earth, Planets and Space 2016 68:205

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  8. Content type: Full paper

    At the 2016 Kumamoto earthquake, surface ruptures were observed not only along the Futagawa fault, where main ruptures occurred, but also along the Hinagu fault. To estimate the slip distribution on these faul...

    Authors: Yukitoshi Fukahata and Manabu Hashimoto

    Citation: Earth, Planets and Space 2016 68:204

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  9. Content type: Letter

    Shallow S-wave velocity V S profiles were estimated for 26 temporary strong motion observation sites surrounding the epicenters of a sequence of the 2016 Kumamoto earthquake. The microtrem...

    Authors: Kosuke Chimoto, Hiroaki Yamanaka, Seiji Tsuno, Hiroe Miyake and Nobuyuki Yamada

    Citation: Earth, Planets and Space 2016 68:206

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  10. Content type: Full paper

    The 2016 Kumamoto earthquake (Kumamoto earthquake sequence) is an extremely high-seismicity event that has been occurring across Kumamoto and Oita Prefectures in Japan since April 14, 2016 (JST). The earthquak...

    Authors: Yuki Kodera, Jun Saitou, Naoki Hayashimoto, Shimpei Adachi, Masahiko Morimoto, Yuji Nishimae and Mitsuyuki Hoshiba

    Citation: Earth, Planets and Space 2016 68:202

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  11. Content type: Frontier letter

    We conduct waveform inversion to infer the three-dimensional (3-D) S-velocity structure in the lowermost 400 km of the mantle (the D′′ region) beneath the Northern Pacific region. Our dataset consists of about...

    Authors: Yuki Suzuki, Kenji Kawai, Robert J. Geller, Anselme F. E. Borgeaud and Kensuke Konishi

    Citation: Earth, Planets and Space 2016 68:198

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  12. Content type: Letter

    An earthquake of JMA magnitude 6.5 (first event) hit Kumamoto Prefecture, Japan, at 21:26 JST, April 14, 2016. Subsequently, an earthquake of JMA magnitude 7.3 (second event) hit Kumamoto and Oita Prefectures...

    Authors: Yoshiya Hata, Masaaki Yabe, Akira Kasai, Hiroshi Matsuzaki, Yoshikazu Takahashi and Mitsuyoshi Akiyama

    Citation: Earth, Planets and Space 2016 68:199

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  13. Content type: Letter

    We have conducted observation of earthquake ground motion due to aftershocks of the 2016 Kumamoto earthquake at 26 temporary stations in damaged areas of Kumamoto city, Mashiki town, Nishihara village and Mina...

    Authors: Hiroaki Yamanaka, Kosuke Chimoto, Hiroe Miyake, Seiji Tsuno and Nobuyuki Yamada

    Citation: Earth, Planets and Space 2016 68:197

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  14. Content type: Full paper

    A rupture model with varying rupture front expansion velocity for the March 11, 2011, Tohoku-Oki earthquake was obtained by the joint inversion of high-rate Global Positioning System (GPS) data and ocean botto...

    Authors: Zhen Wang, Teruyuki Kato, Xin Zhou and Jun’ichi Fukuda

    Citation: Earth, Planets and Space 2016 68:193

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  15. Content type: Letter

    The 2016 Kumamoto earthquake sequence started with a M J (Japan Meteorological Agency magnitude) 6.5 event on April 14, and culminated in a M J 7.3 event on April 1...

    Authors: Yoshiki Shirahama, Masayuki Yoshimi, Yasuo Awata, Tadashi Maruyama, Takashi Azuma, Yukari Miyashita, Hiroshi Mori, Kazutoshi Imanishi, Naoto Takeda, Tadafumi Ochi, Makoto Otsubo, Daisuke Asahina and Ayumu Miyakawa

    Citation: Earth, Planets and Space 2016 68:191

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  16. Content type: Full paper

    We estimate high-frequency (4–20 Hz) energy release due to the 2016 Kumamoto, Japan, earthquake sequence, within a time period from April 14 to 26 through envelope inversion analysis applied to the Hi-net cont...

    Authors: Kaoru Sawazaki, Hisashi Nakahara and Katsuhiko Shiomi

    Citation: Earth, Planets and Space 2016 68:183

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  17. Content type: Full paper

    We report precursory seismic patterns prior to the 2016 Kumamoto earthquakes, as measured by four different methods based on changes in seismicity that can be used for earthquake forecasting: the b-value method, ...

    Authors: Kazuyoshi Z. Nanjo, Jun Izutsu, Yoshiaki Orihara, Nobuhiro Furuse, Shoho Togo, Hidetoshi Nitta, Tomohiro Okada, Rika Tanaka, Masashi Kamogawa and Toshiyasu Nagao

    Citation: Earth, Planets and Space 2016 68:187

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  18. Content type: Frontier letter

    An ENE-trending ~30-km-long surface rupture emerged during the Mw = 7.0 16 April 2016 Kumamoto earthquake along the previously mapped Futagawa and northern Hinagu faults. This included a previously unknown 5-k...

    Authors: Shinji Toda, Heitaro Kaneda, Shinsuke Okada, Daisuke Ishimura and Zoë K. Mildon

    Citation: Earth, Planets and Space 2016 68:188

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  19. Content type: Letter

    The 2016 Kumamoto–Oita earthquake sequence involving three large events (M w ≥ 6) in the central Kyushu Island, southwest Japan, activated seismicities in two volcanic areas with unusual a...

    Authors: Takahiko Uchide, Haruo Horikawa, Misato Nakai, Reiken Matsushita, Norio Shigematsu, Ryosuke Ando and Kazutoshi Imanishi

    Citation: Earth, Planets and Space 2016 68:180

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  20. Content type: Letter

    The 2016 Kumamoto earthquake sequence was a rare event worldwide in that the surface ruptures associated with the largest foreshock (Mj 6.5) of 21:26 (JST), 14 April ruptured again during the mainshock (Mj 7.3...

    Authors: Nobuhiko Sugito, Hideaki Goto, Yasuhiro Kumahara, Hiroyuki Tsutsumi, Takashi Nakata, Kyoko Kagohara, Nobuhisa Matsuta and Haruka Yoshida

    Citation: Earth, Planets and Space 2016 68:170

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  21. Content type: Letter

    We analyze Bouguer anomalies in/around the focal region of the 2016 Kumamoto earthquake to examine features, such as continuity, segmentation and faulting type, of the active fault zones related to the earthqu...

    Authors: Nayuta Matsumoto, Hiramatsu Yoshihiro and Akihiro Sawada

    Citation: Earth, Planets and Space 2016 68:167

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    The Erratum to this article has been published in Earth, Planets and Space 2017 69:47

  22. Content type: Letter

    Frequency-dependent model of the apparent radiation pattern has been extensively incorporated into engineering and scientific applications for high-frequency seismic waves, but distance-dependent properties ha...

    Authors: Shunsuke Takemura, Manabu Kobayashi and Kazuo Yoshimoto

    Citation: Earth, Planets and Space 2016 68:166

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  23. Content type: Full paper

    The MJMA7.3 Kumamoto earthquake occurred on April 16, 2016, in the western part of Kyushu, at a depth of 12 km, on an active strike-slip fault. Here, we report on a relatively widespread activation of small remot...

    Authors: Bogdan Enescu, Kengo Shimojo, Anca Opris and Yuji Yagi

    Citation: Earth, Planets and Space 2016 68:165

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  24. Content type: Frontier letter

    Time-lapse monitoring of seismic velocity at volcanic areas can provide unique insight into the property of hydrothermal and magmatic fluids and their temporal variability. We established a quasi real-time vel...

    Authors: Taka’aki Taira and Florent Brenguier

    Citation: Earth, Planets and Space 2016 68:162

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  25. Content type: Letter

    The detailed source rupture process of the M 7.3 event (April 16, 2016, 01:25, JST) of the 2016 Kumamoto, Japan, earthquakes was derived from strong-motion waveforms using multiple-time-window linear waveform inv...

    Authors: Hisahiko Kubo, Wataru Suzuki, Shin Aoi and Haruko Sekiguchi

    Citation: Earth, Planets and Space 2016 68:161

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  26. Content type: Full Paper

    We constructed and analyzed the ground surface displacement associated with the 2016 Kumamoto earthquake sequence using satellite radar interferometry images of the Advanced Land Observing Satellite 2. The ra...

    Authors: Satoshi Fujiwara, Hiroshi Yarai, Tomokazu Kobayashi, Yu Morishita, Takayuki Nakano, Basara Miyahara, Hiroyuki Nakai, Yuji Miura, Haruka Ueshiba, Yasuaki Kakiage and Hiroshi Une

    Citation: Earth, Planets and Space 2016 68:160

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  27. Content type: Full paper

    In this study, the original seismograms of the 1935-Erdek–Marmara Island and 1963-Çınarcık Earthquakes, recorded at local and regional distances, were vectorized. The epicentral locations have been calculated ...

    Authors: Nilay Başarır Baştürk, Nurcan Meral Özel and Marco Caciagli

    Citation: Earth, Planets and Space 2016 68:158

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  28. Content type: Letter

    We estimated the dip distribution of Oita–Kumamoto Tectonic Line located in central Kyushu, Japan, by using the dip of the maximum eigenvector of the gravity gradient tensor. A series of earthquakes in Kumamo...

    Authors: Shigekazu Kusumoto

    Citation: Earth, Planets and Space 2016 68:153

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  29. Content type: Frontier letter

    The 2016 Kumamoto earthquake sequence started with an MJMA 6.5 foreshock occurring along the northern part of the Hinagu fault, central Kyushu, Japan, and the MJMA 7.3 mainshock occurred just 28 h after the fores...

    Authors: Kimiyuki Asano and Tomotaka Iwata

    Citation: Earth, Planets and Space 2016 68:147

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  30. Content type: Letter

    Systematic difference between first-motion and waveform-inversion solutions for shallow offshore earthquakes was examined by using the seismograms of the 2016 Off Mie (Mw 5.8) earthquake occurred at a depth of 14...

    Authors: Shunsuke Takemura, Katsuhiko Shiomi, Takeshi Kimura and Tatsuhiko Saito

    Citation: Earth, Planets and Space 2016 68:149

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  31. Content type: Full paper

    The main motivation for this study was the impending occurrence of a catastrophic earthquake along the Prince Island Fault (PIF) in the Marmara Sea and the disaster risk around the Marmara region, especially i...

    Authors: Aydin Mert, Yasin M. Fahjan, Lawrence J. Hutchings and Ali Pınar

    Citation: Earth, Planets and Space 2016 68:146

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  32. Content type: Frontier letter

    Turkey is highly prone to earthquakes because of active fault zones in the region. The Marmara region located at the western extension of the North Anatolian Fault Zone (NAFZ) is one of the most tectonically a...

    Authors: Betul Aytore, Ahmet Cevdet Yalciner, Andrey Zaytsev, Zeynep Ceren Cankaya and Mehmet Lütfi Suzen

    Citation: Earth, Planets and Space 2016 68:139

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  33. Content type: Full paper

    We investigated the crustal structure beneath the Marmara region and the surrounding area in the western part of the North Anatolian fault zone. These areas have high seismicity and are of critical significanc...

    Authors: Gulten Polat, Nurcan Meral Özel and Ivan Koulakov

    Citation: Earth, Planets and Space 2016 68:132

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  34. Content type: Full paper

    We developed a real-time tsunami forecast method using only pressure data collected from the bottom of the ocean via a dense offshore observation network. The key feature of the method is rapid matching betwee...

    Authors: Naotaka Yamamoto, Shin Aoi, Kenji Hirata, Wataru Suzuki, Takashi Kunugi and Hiromitsu Nakamura

    Citation: Earth, Planets and Space 2016 68:128

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  35. Content type: Full paper

    Istanbul is a mega city with various coastal utilities located on the northern coast of the Sea of Marmara. At Yenikapı, there are critical vulnerable coastal utilities, structures, and active metropolitan lif...

    Authors: Zeynep Ceren Cankaya, Mehmet Lutfi Suzen, Ahmet Cevdet Yalciner, Cagil Kolat, Andrey Zaytsev and Betul Aytore

    Citation: Earth, Planets and Space 2016 68:133

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  36. Content type: Full paper

    The interferometric SAR coherence-change technique with coherence filter and polarization (HH and HV) has been used to detect the parts of buildings damaged by the 2015 Gorkha Earthquake. A survey of the build...

    Authors: Manabu Watanabe, Rajesh Bahadur Thapa, Tsuneo Ohsumi, Hiroyuki Fujiwara, Chinatsu Yonezawa, Naoya Tomii and Sinichi Suzuki

    Citation: Earth, Planets and Space 2016 68:131

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  37. Content type: Frontier letter

    We constructed the rupture process model for the 2016 Kumamoto, Japan, earthquake from broadband teleseismic body waveforms (P-waves) by using a novel waveform inversion method that takes into account the unce...

    Authors: Yuji Yagi, Ryo Okuwaki, Bogdan Enescu, Amato Kasahara, Ayumu Miyakawa and Makoto Otsubo

    Citation: Earth, Planets and Space 2016 68:118

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  38. Content type: Letter

    We performed a damage survey of buildings and carried out microtremor observations in the source region of the 2015 Gorkha earthquake. Our survey area spans the Kathmandu valley and areas to the east and north...

    Authors: Masumi Yamada, Takumi Hayashida, Jim Mori and Walter D. Mooney

    Citation: Earth, Planets and Space 2016 68:117

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  39. Content type: Full paper

    Recent advances in computing have brought a new and challenging way to tackle the earthquake hazard and disaster problems: integration of the seismic actions in the form of numerical models. For this purpose,...

    Authors: Abdurrahman Sahin, Rafet Sisman, Aysegul Askan and Muneo Hori

    Citation: Earth, Planets and Space 2016 68:115

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